import axios from 'axios'
import { getAccessToken,getTenantId } from '@/utils/auth'
import {Loading, Message} from 'element-ui'

const baseURL = process.env.VUE_APP_BASE_API + '/admin-api/';
let downloadLoadingInstance;
export default {
  // 下载 Excel 方法
  excel(data, fileName) {
    this.download0(data, fileName, 'application/vnd.ms-excel');
  },

  // 下载 Word 方法
  word(data, fileName) {
    this.download0(data, fileName, 'application/msword');
  },

  // 下载 Zip 方法
  zip(data, fileName) {
    this.download0(data, fileName, 'application/zip');
  },

  // 下载 Html 方法
  html(data, fileName) {
    this.download0(data, fileName, 'text/html');
  },

  // 下载 Markdown 方法
  markdown(data, fileName) {
    this.download0(data, fileName, 'text/markdown');
  },

  download0(data, fileName, mineType) {
    // 创建 blob
    let blob = new Blob([data], {type: mineType});
    // 创建 href 超链接，点击进行下载
    window.URL = window.URL || window.webkitURL;
    let href = URL.createObjectURL(blob);
    let downA = document.createElement("a");
    downA.href = href;
    downA.download = fileName;
    downA.click();
    // 销毁超连接
    window.URL.revokeObjectURL(href);
  },

  downloadFile(url) {
    var url = baseURL + url;
    downloadLoadingInstance = Loading.service({ text: "正在下载数据，请稍候", spinner: "el-icon-loading", background: "rgba(0, 0, 0, 0.7)", })
    axios({
      method: 'get',
      url: url,
      responseType: 'blob',
      headers: { 'Authorization': "Bearer " + getAccessToken(),'tenant-id': getTenantId(), }
    }).then((res) => {
      const isBlob = res.data.type !== 'application/json'
      if (isBlob) {
        // const blob = new Blob([res.data])
        // this.saveAs(blob, decodeURIComponent(res.headers['download-filename']))

        const url = window.URL.createObjectURL(new Blob([res.data]));  
        const link = document.createElement('a');  
        link.href = url;  
        link.setAttribute('download', decodeURIComponent(res.headers['download-filename'])); // 设置下载的文件名  
        document.body.appendChild(link);  
        link.click();  
        // 然后从DOM中移除link元素  
        document.body.removeChild(link); 
        downloadLoadingInstance.close();
      } else {
        Message.error("下载失败");
        downloadLoadingInstance.close();
      }
    })
  },



}
